NPPES file of Aug 9, 2026

Ammar Nassri, M.D

Gastroenterology Physician · Rockwall, TX

Ammar Nassri, M.D is a gastroenterology physician with a practice address in Rockwall, Texas, and NPI 1548689409, issued on Apr 8, 2014. Check the license (Texas U9614, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548689409
Name
Ammar Nassri
Credential
M.D
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
U9614 TX
BP10049996 TX
ME136246 FL
282420 MA
Self-reported in NPPES; status is on the state search
Practice location
3144 Horizon RD Ste 210, Rockwall, TX 75032
Phone
(972) 771-2222
Enumerated
Apr 8, 2014
Record last updated
Apr 7, 2025
Fax
(972) 771-3350
Medicare enrollment
Enrolled (PECOS I20250220003605); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3144 Horizon RD Ste 210

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristie Blank, MDGastroenterology Physician1962606566
  2. Onki Cheung, MDGastroenterology Physician1588731392
  3. Kaylene CuadrosFamily Nurse Practitioner1730926965
  4. Adil Ghafoor, M.D.Gastroenterology Physician1689109126
  5. Ashley Kemp, NPNurse Practitioner1790431807
  6. Bilal Khan, M.D.Gastroenterology Physician1417917436

Verify Ammar Nassri in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U9614
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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30% fewer Medicare Part D claims than the average gastroenterology physician in 2024

570 Medicare Part D claims for 279 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Ammar Nassri570
  2. Specialty average811

Most prescribed

  1. Gavilyte-G136 claims
  2. Omeprazole136 claims
  3. Linzess31 claims
  4. Famotidine30 claims
  5. Pantoprazole Sodium29 claims
  6. Sucralfate24 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Texas Digestive Disease Consultants, PLLCRockwall, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ammar Nassri among 1,478 gastroenterology physician records in Texas

Ammar Nassri, M.D is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2012 · median 2003 among the 1,175 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Texas

There are 1,478 gastroenterology physician records in Texas.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Kristie Blank, MDRockwall, TX 750321962606566
  2. Onki Cheung, MDRockwall, TX 750321588731392
  3. Adil Ghafoor, M.D.Rockwall, TX 750321689109126
  4. Bilal Khan, M.D.Rockwall, TX 750321417917436
  5. Mark Miller, M.D.Rockwall, TX 750321841250842
  6. Paul ParadisoRockwall, TX 750321861836108
  7. Ruben Sandoval, M.D.Rockwall, TX 750321205896164
  8. Harry Sarles, M.D.Rockwall, TX 750321861451395

Common questions

What is Ammar Nassri, M.D's NPI number?

Ammar Nassri, M.D's National Provider Identifier (NPI) is 1548689409, issued on Apr 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ammar Nassri, M.D located?

The NPPES record lists a practice address at 3144 Horizon RD Ste 210, Rockwall, TX, 75032. Phone: (972) 771-2222. Providers update this record themselves, so call before visiting.

How can I verify Ammar Nassri, M.D's license?

NPPES lists Texas license number U9614, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ammar Nassri, M.D prescribe under Medicare Part D?

In 2024, Ammar Nassri, M.D had 570 Medicare Part D claims for 279 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.